Description: These power tool sockets are made with high quality metal with heavy duty construction to ensure maximum durability. It can be used for a variety of screwdrivers, drills and other power tools making these sockets very handy and multipurpose. Features: Hard steel sockets for maximum durability, the heavy-duty construction allows for long service life. Universal hex shank sockets would fit most electric screwdrivers, drills or other power tool. The small size allows you to bring your sockets anywhere to get any job done and can fit into many tool bag. There are nine different sizes H4-H17 and you can use the proper one for various need. The surface of the socket is printed with sleeve specification. Specifications: Material: S2 alloy steel Color: As picture Hex Shank Diameter: H4, H5, H6, H7, H8, H10, H12, H14, H17(Optional) Squarehole Diameter: 1/2" Length: 100mm / 3.9inch Weight: 118-221g Package Include: 1 x Hex Socket 1、Hard steel sockets for maximum durability, the heavy-duty construction allows for long service life. 2、Universal hex shank sockets would fit most electric screwdrivers, drills or other power tool. 3、The small size allows you to bring your sockets anywhere to get any job done and can fit into many tool bag. 4、There are nine different sizes H4-H17 and you can use the proper one for various need. 5、The surface of the socket is printed with sleeve specification.